Use parent pom 5.9

MarkEWaite · MarkEWaite · commit 6cb10c9d63b8 · 2025-04-01T13:39:22.000-06:00
diff --git a/pom.xml b/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>5.7</version>
+    <version>5.9</version>
     <relativePath />
   </parent>
 
